3-Amino-4-(difluoromethyl)-5-(trifluoromethoxy)pyridine-2-carboxaldehyde
5-Amino-4-(chloromethyl)-2-(trifluoromethoxy)pyridine-3-acetonitrile
Methyl 4-amino-2-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxylate
Methyl 3-amino-5-(difluoromethyl)-2-(trifluoromethoxy)pyridine-4-carboxylate